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Secure smartphone

a smartphone and security technology, applied in the field of mobile communication devices, can solve the problems of high development, deployment and maintenance costs, and and achieve the effect of avoiding the risk of downloading malware that might be embedded in applications freely available on the intern

Active Publication Date: 2013-06-04
VIASAT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a way to modify a commercial off-the-shelf smartphone without changing its hardware. The modification allows multiple user domains to be created, each with different levels of security and reliability. These domains are isolated from each other. This has technical benefits for ensuring secure and reliable use of existing smartphones in various settings.

Problems solved by technology

Traditionally this is accomplished with special purpose hardware and systems that can be very expensive to develop, deploy and maintain.
These may include the avoiding expenses incurred from personal calls, the potential embarrassment of having certain types of inappropriate personal use associated with the business entity, and the risk of downloading mal-ware that might be embedded in applications freely available on the internet.

Method used

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Embodiment Construction

[0031]As described herein, a goal of a multiple domain smartphone is to provide different levels of security and stability in different domains depending on the usage context and to provide an efficient and convenient way to switch between the domains without sacrificing security and stability. A further goal is to provide this capability using a commercial off-the-shelf (COTS) smartphone with only software modifications. The software modifications are intended to provide “secure” software, by which is meant that the quality and integrity of the of the software and its execution environment may provide a basis for trusting its behavior.

[0032]A multiple domain smartphone according to embodiments described herein provides many benefits. It should be understood that a viable system need not include all of the features described herein and is susceptible to various modifications and alternative forms.

[0033]One embodiment of the invention is described with reference to FIG. 1, which show...

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Abstract

A commercial off-the-shelf smartphone is adapted, through software modifications only, to provide multiple operating domains or domains that provide differing levels of security and reliability. Each operating domain is isolated from the others. Detection of unauthorized modification is provided. Cross domain activity notification is provided.

Description

FIELD OF THE INVENTION[0001]The present invention relates generally to mobile communication devices. More particularly, the present invention relates to methods and apparatus for providing mobile communication devices that operate in multiple isolated domains that provide differing levels of security and reliability.BACKGROUND OF THE INVENTION[0002]Communication systems play an important role in government, business and personal settings, each with their own unique set of requirements that sometimes overlap and sometimes conflict. In government settings, there is often a need to handle sensitive communications in a secure manner and the communication devices need to be reliable and resistant to unauthorized modification. Traditionally this is accomplished with special purpose hardware and systems that can be very expensive to develop, deploy and maintain.[0003]In business settings, a firm or business entity may wish to provide employees with cell phones to conduct business related t...

Claims

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Application Information

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IPC IPC(8): G06F21/00
CPCH04L63/105H04W12/08H04L63/0272H04L63/083H04W12/02H04L9/0863H04W88/02H04L2209/16H04W12/06H04W12/086
Inventor VAN VOORHEES, FRANKLIN DAVIDMAR, PHILHART, STEVEN R.LINDTEIGEN, TYWREN, PAUL
Owner VIASAT INC
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